Question 366532
let cincinati distance be x miles
speed = 200 mph
..
time to cincinnati = x/200
..
return 
speed = 250 mph 
return time = x/250
..
x/200  - x/250 =1
(250x-200x) / 250*200=1
50x = 250*200
/50
x= 250*200/50
x= 1000 miles
...
m.ananth@hotmail.ca